◎ 题干
Every year, _____ fishes are killed by the polluted water and many people are made sick by the polluted air.

A. thousand of
B. thousands of
C. two thousands
D. two thousands of
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◎ 解析
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◎ 知识点
    根据n多题专家分析,试题“Every year, _____ fishes are killed by the polluted water and many people are made sick by the polluted air. [ ]A. thousand of B. thousands of C. two thousan…”主要考查了你对  【基数词】  等知识点的理解和应用能力。关于这些知识点的“档案”,你可以点击相应的链接进行查看和学习。